CVE-2026-33312 MEDIUM

CVE-2026-33312: Read-only Vikunja users can delete project background images via broken object-level authorization

Vendor Go-Vikunja
Product vikunja
Weakness CWE-863 · Incorrect authorization
Published March 20, 2026
Last update March 20, 2026
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

Vikunja is an open-source self-hosted task management platform. Starting in version 0.20.2 and prior to version 2.2.0, the `DELETE /api/v1/projects/:project/background` endpoint checks `CanRead` permission instead of `CanUpdate`, allowing any user with read-only access to a project to permanently delete its background image. Version 2.2.0 fixes the issue.

Key dates

02Disclosure timeline

March 20, 2026 CVE published
March 20, 2026 Record updated